Constantine 1 Follis of Trier 317/8 AD.
OB: Laurate bust right. CONSTANTVS AVG.
REV: Sol standing left wearing chalmy holding globe in left hand.
SOL INVICTO COMITI T-F in field ATR in exurge.
The invincible sun is my companion, TF = Temporum Felisitas = Times of Prosperity.
RIC Trier 162.
